laosombutthawee, pramuan and prapromma, S. (2020) “ In the pilot areas of Chaiyaphum”., Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima, 26(2), pp. 71–81. available at: https://he02.tci-thaijo.org/index.php/ODPC9/article/view/240644 (accessed: 28 September 2026).